Randomization in an experimental design assures
a. external validity of the findings.
b. the relevance of the hypothesis in question.
c. accurate observation of the dependent variable.
d. statistical equivalence of groups.
e. lack of pretest sensitivity.
Question 2
The fact that young children's articulation problems often disappear by themselves over time indicates why researchers must use ____in order to have internal validity.
a. control groups
b. informed consent
c. objective measurement
d. pre- and postmeasures
e. statistical analysis
Development of the External Genitalia
In this design, the fuel injector is at the top of the cylinder and sprays fuel into the cavity of ...
Descriptors for Documenting Palpation Findings Cont.
Research Design in Clinical Psychology
Physical Findings of Massive Hemothorax
Directional artificial selection favoring the AdhF allele in experimental Drosophila populations.